ID   VP44_BPAPS              Reviewed;          93 AA.
AC   Q9T1Q4;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-2000, sequence version 1.
DT   25-MAY-2022, entry version 58.
DE   RecName: Full=Putative nuclease p44;
DE            EC=3.1.-.-;
GN   Name=44;
OS   Acyrthosiphon pisum secondary endosymbiont phage 1 (Bacteriophage APSE-1).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Podoviridae; Sendosyvirus.
OX   NCBI_TaxID=2682836;
OH   NCBI_TaxID=562; Escherichia coli.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=10489345; DOI=10.1006/viro.1999.9902;
RA   van der Wilk F., Dullemans A.M., Verbeek M., van den Heuvel J.F.J.M.;
RT   "Isolation and characterization of APSE-1, a bacteriophage infecting the
RT   secondary endosymbiont of acyrthosiphon pisum.";
RL   Virology 262:104-113(1999).
CC   -!- FUNCTION: Nuclease. {ECO:0000250}.
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC       Note=Divalent metal cations. Mg(2+) is the most probable.
CC       {ECO:0000250};
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DR   EMBL; AF157835; AAF03987.1; -; Genomic_DNA.
DR   RefSeq; NP_051005.1; NC_000935.1.
DR   SMR; Q9T1Q4; -.
DR   GeneID; 1262338; -.
DR   KEGG; vg:1262338; -.
DR   Proteomes; UP000000853; Genome.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0004518; F:nuclease activity; IEA:UniProtKB-KW.
DR   GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR   Gene3D; 3.40.1350.10; -; 1.
DR   InterPro; IPR011856; tRNA_endonuc-like_dom_sf.
DR   InterPro; IPR014883; VRR_NUC.
DR   SMART; SM00990; VRR_NUC; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Magnesium; Metal-binding; Nuclease; Reference proteome.
FT   CHAIN           1..93
FT                   /note="Putative nuclease p44"
FT                   /id="PRO_0000077871"
FT   DOMAIN          5..84
FT                   /note="VRR-NUC"
SQ   SEQUENCE   93 AA;  10356 MW;  B7EEE57CB8BB3C63 CRC64;
     MRLIREDSIE KHLVSEVRKI GGIAYKFVSP GRRGVPDRLV ALPNGKIIFV ECKAPGEKPT
     PYQLREHARL FALGHQVIVL DSQDLSSILP AVN